Abstract
Background. Compression-Only Cardiopulmonary Resuscitation(COCPR) has been broadly studied during the last few years and specially introduced into lay rescuers’ training. The aim of the study was to compare the quality of COCPR performed by laypersons (Group A) who attended a single cardiopulmonary resuscitation (CPR) training course, and those (Group B) who underwent regular CPR training every 6 months.Methods. Both groups completed the “Heartsaver CPR AED” course of the American Heart Association. After 30 minutes they were required to perform COCPR on a manikin with a skills reporter system.Results. Comparing the 76 once only trained laypersons to the 74 continuously trained lay rescuers, we found that average age (20 versus 40 years old), male gender (54% versus 93%), body mass index (BMI)(24.9 versus 27.3 kg/m2) and regular physical exercise (55% versus 36%) proved significant predictors, p<0.01, p<0.01, p<0.01 and p=0.04 respectively. Regarding COCPR-quality, the percentage of efficient chest compressions (43% versus 58%), average depth of compression (45 versus 50 mm) and percentage of error-free compressions (36% versus 50%) indicated a significant statistical difference, with p=0.01, p=0.01 and p<0.01 respectively. However, the average frequency of compressions per minute (121 versus 124), the percentage of correct hand positioning during chest compressions (87% versus 90%) and the average duty cycle (47% versus 45%) did not display a significant difference.Conclusion. The continuous CPR training group obtained better results regarding quality of chest compressions when compared with single CPR training.
Highlights
According to the World Health Organization, [1] ischemic heart diseases (IHDs) are still the major cause of global death, responsible for approximately seven million deaths annually
Comparing the 76 once only trained laypersons to the 74 continuously trained lay rescuers, we found that average age (20 versus 40 years old), male gender (54% versus 93%), body mass index (BMI) (24.9 versus 27.3 kg/m2) and regular physical exercise (55% versus 36%) proved significant predictors, p
Regarding Compression-Only Cardiopulmonary Resuscitation (COCPR)-quality, the percentage of efficient chest compressions (43% versus 58%), average depth of compression (45 versus 50 mm) and percentage of error-free compressions (36% versus 50%) indicated a significant statistical difference, with p=0.01, p=0.01 and p
Summary
According to the World Health Organization, [1] ischemic heart diseases (IHDs) are still the major cause of global death, responsible for approximately seven million deaths annually. IHDs corresponded to 96,386 deaths in Brazil, accounting for 9% of all deaths in 2009, which places it first on the list of reasons for out-of-hospital cardiac arrest (OHCA). [3] Successful OHCA resuscitation depends on a series of life-saving actions that improve the chances of survival, such as immediate recognition of cardiac arrest, activation of emergency response system, early cardiopulmonary resuscitation (CPR) and early defibrillation that is mainly performed by bystanders who are mostly laypersons. The aim of the study was to compare the quality of COCPR performed by laypersons (Group A) who attended a single cardiopulmonary resuscitation (CPR) training course, and those (Group B) who underwent regular CPR training every 6 months
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